Seagate Barracuda 7200.10 ST3160815A - 160GB - 7200rpm - 100MBps Ultra ATA/100 (ATA-6) - ... 160 GB EIDE Hard Drive "definition percent error" Questions

...error i have an amd athlon 64x2 dual core processor 2.4ghz and 1gb ram.. equipped with 160 gb seagate sata hdd.. everythign was fien until 27th feb 09 when winxp hanged and showed up the blue death ...